/Engine/Plugins/Runtime/WarpUtils/Source/PFMExporter/Public/IPFMExporter.h
Generate PFM file from static mesh. The UV channel must be defined, assigned range 0..1 used as screen surface.
bool ExportPFM ( const [FStaticMeshLODResources](API\Runtime\Engine\FStaticMeshLODResources) * SrcMeshResource, const FMatrix & MeshToOrigin, int PFMWidth, int PFMHeight, const [FString](API\Runtime\Core\Containers\FString) & LocalFileName )